From: Asutosh Das <quic_asutoshd@quicinc.com>
To: <quic_cang@quicinc.com>, <martin.petersen@oracle.com>,
<linux-scsi@vger.kernel.org>
Cc: <quic_nguyenb@quicinc.com>, <quic_xiaosenh@quicinc.com>,
<stanley.chu@mediatek.com>, <eddie.huang@mediatek.com>,
<daejun7.park@samsung.com>, <bvanassche@acm.org>,
<avri.altman@wdc.com>, <mani@kernel.org>, <beanhuo@micron.com>,
Asutosh Das <quic_asutoshd@quicinc.com>,
<linux-arm-msm@vger.kernel.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
Jinyoung Choi <j-young.choi@samsung.com>,
open list <linux-kernel@vger.kernel.org>
Subject: [PATCH v7 16/16] ufs: core: mcq: Enable Multi Circular Queue
Date: Tue, 29 Nov 2022 10:53:22 -0800 [thread overview]
Message-ID: <8aff808cab2db90ca6c701496ddf370af87d33eb.1669747235.git.quic_asutoshd@quicinc.com> (raw)
In-Reply-To: <cover.1669747235.git.quic_asutoshd@quicinc.com>
Enable MCQ in the Host Controller.
Signed-off-by: Asutosh Das <quic_asutoshd@quicinc.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
---
drivers/ufs/core/ufshcd.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index adf3597..e9d6891 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -8381,6 +8381,12 @@ static void ufshcd_config_mcq(struct ufs_hba *hba)
hba->host->can_queue = hba->nutrs - UFSHCD_NUM_RESERVED;
hba->reserved_slot = hba->nutrs - UFSHCD_NUM_RESERVED;
+
+ /* Select MCQ mode */
+ ufshcd_writel(hba, ufshcd_readl(hba, REG_UFS_MEM_CFG) | 0x1,
+ REG_UFS_MEM_CFG);
+ hba->mcq_enabled = true;
+
dev_info(hba->dev, "MCQ configured, nr_queues=%d, io_queues=%d, read_queue=%d, poll_queues=%d, queue_depth=%d\n",
hba->nr_hw_queues, hba->nr_queues[HCTX_TYPE_DEFAULT],
hba->nr_queues[HCTX_TYPE_READ], hba->nr_queues[HCTX_TYPE_POLL],
--
2.7.4
next prev parent reply other threads:[~2022-11-29 18:59 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-29 18:53 [PATCH v7 00/16] Add Multi Circular Queue Support Asutosh Das
2022-11-29 18:53 ` [PATCH v7 01/16] ufs: core: Optimize duplicate code to read extended feature Asutosh Das
2022-11-29 18:53 ` [PATCH v7 02/16] ufs: core: Probe for ext_iid support Asutosh Das
2022-11-29 18:53 ` [PATCH v7 03/16] ufs: core: Introduce Multi-circular queue capability Asutosh Das
2022-11-29 18:53 ` [PATCH v7 04/16] ufs: core: Defer adding host to scsi if mcq is supported Asutosh Das
2022-11-29 18:53 ` [PATCH v7 05/16] ufs: core: mcq: Add support to allocate multiple queues Asutosh Das
2022-11-29 18:53 ` [PATCH v7 06/16] ufs: core: mcq: Configure resource regions Asutosh Das
2022-11-29 19:22 ` Bart Van Assche
2022-11-30 9:15 ` Eddie Huang (黃智傑)
2022-11-30 18:44 ` Asutosh Das
2022-11-29 18:53 ` [PATCH v7 07/16] ufs: core: mcq: Calculate queue depth Asutosh Das
2022-11-29 19:23 ` Bart Van Assche
2022-11-29 18:53 ` [PATCH v7 08/16] ufs: core: mcq: Allocate memory for mcq mode Asutosh Das
2022-11-29 19:23 ` Bart Van Assche
2022-11-29 18:53 ` [PATCH v7 09/16] ufs: core: mcq: Configure operation and runtime interface Asutosh Das
2022-11-29 19:23 ` Bart Van Assche
2022-11-29 18:53 ` [PATCH v7 10/16] ufs: core: mcq: Use shared tags for MCQ mode Asutosh Das
2022-11-29 18:53 ` [PATCH v7 11/16] ufs: core: Prepare ufshcd_send_command for mcq Asutosh Das
2022-11-29 18:53 ` [PATCH v7 12/16] ufs: core: mcq: Find hardware queue to queue request Asutosh Das
2022-11-29 18:53 ` [PATCH v7 13/16] ufs: core: Prepare for completion in mcq Asutosh Das
2022-11-29 18:53 ` [PATCH v7 14/16] ufs: mcq: Add completion support of a cqe Asutosh Das
2022-11-29 18:53 ` [PATCH v7 15/16] ufs: core: mcq: Add completion support in poll Asutosh Das
2022-11-29 18:53 ` Asutosh Das [this message]
2022-11-30 17:51 ` [PATCH v7 00/16] Add Multi Circular Queue Support Bart Van Assche
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